Thunderstorm Simulator3.6.6

Summon a thunderstorm on your mobile device. Relax and fall fast asleep to the sounds of rain and thunder. The screen or camera flashes when lightning strikes.*

*Defaults to screen for lightning light effects if camera flash is not available.

THUNDERSTORMS

. Strong Thunderstorm - Heavy rain with frequent lightning and thunder nearby
. Normal Thunderstorm - Steady rain with a full range of lightning and thunder
. Weak Thunderstorm - Light rain with occasional lightning and thunder far off
. Passing Thunderstorms - Rain and lightning intensity changes as the storms pass

SETTINGS

Rain
. Toggle rain sound effects
. Change rain audio: Default, Heavy, Steady, Light, On Tin Roof
. Change rain volume

Lightning/Thunder
. Toggle thunder sound effects
. Change thunder volume
. Change delay lightning (Wireless audio delay offset)
. Toggle delay thunder
. Toggle lightning light effects
. Change lightning output: Camera Flash, Screen
. Change lightning transition effects
. Change lightning/thunder occurrence: Default, Occasional, Normal, Frequent
. Change color and max brightness of lightning light effects (Screen only)

Passing Thunderstorms
. Change starting storm for Passing Thunderstorms: Weak, Normal, Strong
. Change cycle time for Passing Thunderstorms: 15m, 30m, 60m

Background Sounds
. Toggle background sounds: Birds, Cicadas, Crickets, Frogs
. Change background sounds volume

General
. Keep Awake to prevent your device from going to sleep so lightning effects remain visible
. Select a mode to automatically start when the app opens
. Choose a time to automatically stop the selected mode
. Choose a time to automatically restart the selected mode when the sleep timer ends, enabling a recurring cycle

ADDITIONAL FEATURES

. Sleep Timer - Set a timer with a gradual audio fade-out.
. Turn Screen Black - Adds a black overlay and sets the device to minimum brightness. Use the Screen Brightness Delay setting to compensate for brightness ramp-up on some devices. Set to 0.25-1 second if lightning effects do not reach peak brightness when thunder is loudest.
. Lightning on Demand - Start a storm and use the lightning buttons at the bottom of the screen for manual control.
. Bluetooth Support - Connect to Bluetooth speakers. Adjust the Delay Lightning setting to offset wireless audio delay.

Please contact me at support@thunderstorm.scottdodson.dev if you experience any issues. I'd love to hear your thoughts and appreciate you taking the time to rate and review the app. I want to continue to improve Thunderstorm Simulator and create a great experience for you and future users. Thank you! -Scott

Ad-supported version: https://apps.apple.com/us/app/thunderstorm-simulator-w-ads/id1482707561

Version History Need help? Email support@thunderstorm.scottdodson.dev

- fixed compatibility issue 3.6.6 5d ago Need help? Email support@thunderstorm.scottdodson.dev

- fixed on-demand lightning buttons 3.6.1 Jun 25 Need help? Email support@thunderstorm.scottdodson.dev

- added lightning buttons for on-demand lightning during a storm
- fixed compatibility issue 3.5.0 Apr 14 Need help? Please email support@thunderstorm.scottdodson.dev

- fixed compatibility issue 3.4.0 08/23/2025 Need help? Please email support@thunderstorm.scottdodson.dev

- improved tablet UI 3.2.0 10/31/2021 Need help? Please email support@thunderstorm.scottdodson.dev

- added Lightning/Thunder Output setting (camera flash, screen)
- added Lightning/Thunder screen output settings:
-- Screen Brightness Delay
-- Transition FX
-- Color & Brightness
- added Delay Lightning setting
- added Keep Awake setting
- added Hide Status Bar setting
- updated description 3.1.2 05/28/2020 Need help? Please email support@thunderstorm.scottdodson.dev

- added Lightning/Thunder Output setting (camera flash, screen)
- added Lightning/Thunder screen output settings:
-- Screen Brightness Delay
-- Transition FX
-- Color & Brightness
- added Delay Lightning setting
- added Keep Awake setting
- added Hide Status Bar setting 3.1.1 05/27/2020 Need help? Please email support@thunderstorm.scottdodson.dev

- added toggles to thunderstorms for clarity
- added Auto-restart under Settings (auto-restart activates auto-start and auto-stop)
- added audio fade in
- enabled mix audio with other apps
- fixed compatibility issue 3.0.1 03/26/2020 Need help? Please email support@thunderstorm.scottdodson.dev

[2.2.0]
- added Sleep Timer countdown
- added local storage backup 2.2.0 10/16/2019 Need help? Please email support@thunderstorm.scottdodson.dev

[2.1.1]
- fixed compatibility issue
- fixed menus bug 2.1.1 07/31/2019 Need help? Please email support@thunderstorm.scottdodson.io

[2.1.0]
- updated for iOS 11 and iPhone X

[2.0.0]
- added Passing Thunderstorms mode
- added audio fade out at end of sleep timer
- added Lightning/Thunder Occurrence under Settings
- improved rain audio
- increased thunder delay times when toggled on
- moved Sleep Timer toggle to header

[1.2.0]
- added Rain Audio under Settings (overrides default)
- added volume control for rain, thunder, and background sounds
- fixed thunder sound fx toggle bug

[1.1.2]
- added Background Sounds under Settings (birds, cicadas, crickets, frogs, rain on tin roof)
- updated About screen
- fixed camera flash bug 2.1.0 08/26/2018 [2.0.0]
- added Passing Thunderstorms mode
- added audio fade out at end of sleep timer
- added Lightning/Thunder Occurrence under Settings
- improved rain audio
- increased thunder delay times when toggled on
- moved Sleep Timer toggle to header

[1.2.0]
- added Rain Audio under Settings (overrides default)
- added volume control for rain, thunder, and background sounds
- fixed thunder sound fx toggle bug

[1.1.2]
- added Background Sounds under Settings (birds, cicadas, crickets, frogs, rain on tin roof)
- updated About screen
- fixed camera flash bug 2.0.0 08/21/2017 [1.2.0]
- added Rain Audio under Settings (overrides default)
- added volume control for rain, thunder, and background sounds
- fixed thunder sound fx toggle bug

[1.1.2]
- added Background Sounds under Settings (birds, cicadas, crickets, frogs, rain on tin roof)
- updated About screen
- fixed camera flash bug 1.2.0 03/15/2017 [1.1.2]
- added Background Sounds under Settings (birds, cicadas, crickets, frogs, rain on tin roof)
- updated About screen
- fixed camera flash bug 1.1.2 02/06/2017 1.0.0 02/01/2017